+6.35(+0.41%)

+0.27(+0.44%)

-5.90(-0.44%)

-0.20(-1.17%)

-0.01(-0.71%)

How did Syrian disarmament proposal come about?

Sources close to the Syrian government say the proposal to bring Syria's chemical weapons under international control to head off U.S. air strikes has been in the works for some time, and the White House was aware of it at the G-20 last week. Elizabeth Palmer reports from Damascus.